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Finding the Fourth Proportional to 302,209.69, 453,158.46 and 88,949.83

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Solution

The fourth proportional to 302,209.69, 453,158.46 and 88,949.83 is: 133,378.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,209.69 : 453,158.46 = 88,949.83 : x
  2. Step 2: Convert to fraction form
    302,209.69/453,158.46 = 88,949.83/x
  3. Step 3: Cross multiply
    302,209.69x = 453,158.46 × 88,949.83
  4. Step 4: Simplify right side
    302,209.69x = 40,308,367,980.06
  5. Step 5: Solve for x
    x = 40,308,367,980.06/302,209.69
  6. Step 6: Final answer
    x = 133,378.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.